article thumbnail

CMIP6: Not-so-sudden stratospheric cooling

Real Climate

So SSU me Like MSU trends, these records reflected a weighted average of atmospheric temperatures, and the three SSU channels progressively weight higher levels in the stratosphere, roughly centered on 30km, 40km and 45km above the surface but with quite a bit of overlap. Thompson et al. But why is the stratosphere increasingly chill?

Cooling 254
article thumbnail

Back in Black: Creating positive changes by focusing on a short-lived pollutant

HumanNature

When fuels are burned to create energy in a process called combustion, black carbon along with carbon monoxide and other compounds are created because there is not enough oxygen in the atmosphere for the reaction to go to completion. Whenever there are combustion processes, of which there are many in our industrial society (e.g.,

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

July 2017 Updates to the Climate Case Charts

Law Columbia

A magistrate judge in the federal district court for the District of Oregon granted motions by three trade groups to withdraw from the lawsuit seeking to hold the United States liable for its actions and inaction leading to the accumulation of greenhouse gases in the atmosphere.

2017 40
article thumbnail

In a Blow to Public Health, EPA Delays Strengthening Ozone Standards

Union of Concerned Scientists

Despite clear recommendations from its own science advisors, the US Environmental Protection Agency (EPA) announced over the summer that it will delay its scheduled process to consider strengthening public health standards for ground-level ozone pollution. The stakes over ground-level ozone standard are high.

Ozone 252
article thumbnail

EPA Proposal to Rescind Oil and Gas Methane Regulations Has Not Been Adequately Justified and Disregards Negative Climate Impacts

Columbia Climate Law

The emissions make a significant contribution to climate change because methane is a highly potent greenhouse gas which, in the first 20 years after it is released, traps approximately 84 times more heat in the earth’s atmosphere than carbon dioxide (on a per ton basis).

article thumbnail

These Attorneys General Are Defending the Fossil Fuel Industry, Not Their States

Union of Concerned Scientists

In 2015, when he took office as AG after stints in the Texas Legislature, he sued the Environmental Protection Agency for strengthening a standard for ground-level ozone, better known as smog. By railing against what he calls a “radical climate change movement” and suing the federal government to protect corporate polluters.

article thumbnail

Policy News: November 22, 2021

ESA

The National Oceanic and Atmospheric Administration gets $1.5 Richmond is the Presidential Chair in Science and a professor of chemistry at the University of Oregon and has been a member of the National Science Board since 2012. billion for coastal mapping, resilience and related projects. 5345 ), sponsored by Rep. 14, 2021.

2021 105